title: Aging does not affect beta-agonist responsiveness after methacholine-induced bronchoconstriction.
mesh_terms: D000280:Administration, Inhalation; D000293:Adolescent; D000318:Adrenergic beta-Agonists / Q000494:pharmacology*; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000502:physiology*; D000420:Albuterol / Q000008:administration & dosage / Q000494:pharmacology; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D016084:Bronchoconstriction / Q000187:drug effects / Q000502:physiology*; D001993:Bronchodilator Agents / Q000008:administration & dosage / Q000494:pharmacology; D002648:Child; D002675:Child, Preschool; D005260:Female; D005541:Forced Expiratory Volume / Q000187:drug effects / Q000528:radiation effects; D006801:Humans; D009241:Ipratropium / Q000008:administration & dosage / Q000494:pharmacology; D008297:Male; D009921:Metaproterenol / Q000008:administration & dosage / Q000494:pharmacology; D016210:Methacholine Chloride / Q000494:pharmacology*; D008875:Middle Aged; D012189:Retrospective Studies; D014109:Total Lung Capacity / Q000187:drug effects / Q000502:physiology
chemical_list: D000318:Adrenergic beta-Agonists; D000900:Anti-Bacterial Agents; D001993:Bronchodilator Agents; D016210:Methacholine Chloride; D009921:Metaproterenol; D009241:Ipratropium; D000420:Albuterol